From cc66180ad830febc3fdfba7fa04574806f65e77a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?S=C3=B6nke=20Ludwig?= <sludwig@outerproduct.org>
Date: Thu, 16 Apr 2020 09:52:58 +0200
Subject: [PATCH] Ensure path relativeTo() is nothrow.

---
 source/vibe/core/path.d | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/source/vibe/core/path.d b/source/vibe/core/path.d
index 1c4acad..b3aa794 100644
--- a/source/vibe/core/path.d
+++ b/source/vibe/core/path.d
@@ -67,7 +67,7 @@ Path relativeTo(Path)(Path path, Path base_path) @safe
 	enum up = Path.Segment2("..", Path.defaultSeparator);
 	auto ret = Path(base_nodes.map!(p => up).chain(nodes));
 	if (path.endsWithSlash) {
-		if (ret.empty) return Path("." ~ path.toString()[$-1]);
+		if (ret.empty) return Path.fromTrustedString("." ~ path.toString()[$-1]);
 		else ret.endsWithSlash = true;
 	}
 	return ret;
@@ -142,6 +142,12 @@ unittest {
 	}
 }
 
+nothrow unittest {
+	auto p1 = PosixPath.fromTrustedString("/foo/bar/baz");
+	auto p2 = PosixPath.fromTrustedString("/foo/baz/bam");
+	assert(p2.relativeTo(p1).toString == "../../baz/bam");
+}
+
 
 /** Computes the relative path to this path from `base_path` using web path rules.